function ControlButton(handler, method, imageUri, alt) {
	this.tag = document.createElement("img");
	this.tag.src = imageUri;
	this.tag.alt = alt;
	this.tag.title = alt;
	this.tag.style.cursor = "pointer";
	
	this.tag.onclick = (function(obj, method) {
		return function() {
			eval("obj." + method);
		};
	})(handler, method);
}
